MORNING GLORY: Senator Susan Collins and the nation’s national defense

Extraordinarily gifted legislators in the United States Senate are rare. As preconditions to their effectiveness, they must accumulate both significant seniority in the body of 100, and the respect of their ever-changing 99 colleagues. It’s a small club — the United States Senate — and everyone knows who has got the ability and the respect to guide big lifts through the (intentionally) complicated process.

Maine Senator Susan Collins is one of the handful of senators who command the respect...